33056253778 has 4 divisors (see below), whose sum is σ = 49584380670. Its totient is φ = 16528126888.

The previous prime is 33056253767. The next prime is 33056253779. The reversal of 33056253778 is 87735265033.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 31658017329 + 1398236449 = 177927^2 + 37393^2 .

It is not an unprimeable number, because it can be changed into a prime (33056253779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8264063443 + ... + 8264063446.

Almost surely, 2^33056253778 is an apocalyptic number.

33056253778 is a deficient number, since it is larger than the sum of its proper divisors (16528126892).

33056253778 is a wasteful number, since it uses less digits than its factorization.

33056253778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16528126891.

The product of its (nonzero) digits is 3175200, while the sum is 49.

The spelling of 33056253778 in words is "thirty-three billion, fifty-six million, two hundred fifty-three thousand, seven hundred seventy-eight".